16 • LMH Series Rotary Lasers
ANTI-DRIFT
SYSTEM
POWER
MANUAL
Automatic Self-Leveling
Rotary Laser
LMH
press the Manual Grade button to put the unit in automatic mode.
3: Press the Auto Beam Positioning button; the laser beam will plumb
down over point (Reference Only).
4: Use the left and right Manual Grade buttons for fi ne adjustment.
4.3 Procedures for General Construction Applications
Note: A level plane of laser light is created by the rotating beam of the
LMH Series. The laser light can be used to reference elevations with
the use of a laser detector.
1: Place the unit on a fl at, level surface such as a tripod. Setup the unit
in an area where it can not be obstructed and it will be set at a
convenient height.
2: Press the Power button. If the "Out-of-Level" indicator (LMH-GR
and LMH600 only) is blinking, press the Manual Grade button to put
the unit in automatic mode.
2a: LMH600 Only – Press the Variable Speed Rotation button to select
the desire rotation speed of the laser head.
3 : Take elevation readings using the plane of laser light as a reference.
To take readings, attach the laser detector to the grade rod and
place the rod at a point to for an elevation reading. Follow the
Detector Operation Procedures in this manual.
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